def run(self, *args):
try:
args = self.parser.parse_args(args)
except SystemExit:
return
if not __sessions__.is_set():
self.log(
'error',
"No open session. This command expects a file to be open.")
return
if not __project__.name:
src_project = "default"
else:
src_project = __project__.name
db = Database()
db.copied_id_sha256 = []
res = db.copy(__sessions__.current.file.id,
src_project=src_project,
dst_project=args.project,
copy_analysis=True,
copy_notes=True,
copy_tags=True,
copy_children=args.children)
if args.delete:
__sessions__.close()
for item_id, item_sha256 in db.copied_id_sha256:
db.delete_file(item_id)
os.remove(get_sample_path(item_sha256))
self.log('info', "Deleted: {}".format(item_sha256))
if res:
self.log('success', "Successfully copied sample(s)")
return True
else:
self.log('error', "Something went wrong")
return False
def delete_file(file_hash):
success = False
key = ''
if len(file_hash) == 32:
key = 'md5'
elif len(file_hash) == 64:
key = 'sha256'
else:
response.code = 400
return jsonize({'message':'Invalid hash format (use md5 or sha256)'})
db = Database()
rows = db.find(key=key, value=file_hash)
if not rows:
response.code = 404
return jsonize({'message':'File not found in the database'})
if rows:
malware_id = rows[0].id
path = get_sample_path(rows[0].sha256)
if db.delete_file(malware_id):
success = True
else:
response.code = 404
return jsonize({'message':'File not found in repository'})
path = get_sample_path(rows[0].sha256)
if not path:
response.code = 404
return jsonize({'message':'File not found in file system'})
else:
success=os.remove(path)
if success:
return jsonize({'message' : 'deleted'})
else:
response.code = 500
return jsonize({'message':'Unable to delete file'})
class Commands(object):
output = []
def __init__(self):
# Open connection to the database.
self.db = Database()
# Map commands to their related functions.
self.commands = dict(
help=dict(obj=self.cmd_help, description="Show this help message"),
open=dict(obj=self.cmd_open, description="Open a file"),
new=dict(obj=self.cmd_new, description="Create new file"),
close=dict(obj=self.cmd_close, description="Close the current session"),
info=dict(obj=self.cmd_info, description="Show information on the opened file"),
notes=dict(obj=self.cmd_notes, description="View, add and edit notes on the opened file"),
clear=dict(obj=self.cmd_clear, description="Clear the console"),
store=dict(obj=self.cmd_store, description="Store the opened file to the local repository"),
delete=dict(obj=self.cmd_delete, description="Delete the opened file"),
find=dict(obj=self.cmd_find, description="Find a file"),
tags=dict(obj=self.cmd_tags, description="Modify tags of the opened file"),
sessions=dict(obj=self.cmd_sessions, description="List or switch sessions"),
projects=dict(obj=self.cmd_projects, description="List or switch existing projects"),
export=dict(obj=self.cmd_export, description="Export the current session to file or zip"),
)
# Output Logging
def log(self, event_type, event_data):
self.output.append(dict(
type=event_type,
data=event_data
))
##
# CLEAR
#
# This command simply clears the shell.
def cmd_clear(self, *args):
os.system('clear')
##
# HELP
#
# This command simply prints the help message.
# It lists both embedded commands and loaded modules.
def cmd_help(self, *args):
self.log('info', "Commands")
rows = []
for command_name, command_item in self.commands.items():
rows.append([command_name, command_item['description']])
rows.append(["exit, quit", "Exit Viper"])
rows = sorted(rows, key=lambda entry: entry[0])
self.log('table', dict(header=['Command', 'Description'], rows=rows))
self.log('info', "Modules")
rows = []
for module_name, module_item in __modules__.items():
rows.append([module_name, module_item['description']])
rows = sorted(rows, key=lambda entry: entry[0])
self.log('table', dict(header=['Command', 'Description'], rows=rows))
##
# NEW
#
# This command is used to create a new session on a new file,
# useful for copy & paste of content like Email headers
def cmd_new(self, *args):
title = raw_input("Enter a title for the new file: ")
# Create a new temporary file.
tmp = tempfile.NamedTemporaryFile(delete=False)
# Open the temporary file with the default editor, or with nano.
os.system('"${EDITOR:-nano}" ' + tmp.name)
__sessions__.new(tmp.name)
__sessions__.current.file.name = title
print_info("New file with title \"{0}\" added to the current session".format(bold(title)))
##
# OPEN
#
# This command is used to open a session on a given file.
# It either can be an external file path, or a SHA256 hash of a file which
# has been previously imported and stored.
# While the session is active, every operation and module executed will be
# run against the file specified.
def cmd_open(self, *args):
parser = argparse.ArgumentParser(prog="open", description="Open a file", epilog="You can also specify a MD5 or SHA256 hash to a previously stored file in order to open a session on it.")
group = parser.add_mutually_exclusive_group()
group.add_argument('-f', '--file', action="store_true", help="target is a file")
group.add_argument('-u', '--url', action="store_true", help="target is a URL")
group.add_argument('-l', '--last', action="store_true", help="target is the entry number from the last find command's results")
parser.add_argument('-t', '--tor', action="store_true", help="Download the file through Tor")
parser.add_argument("value", metavar='Path, URL, hash or ID', nargs='*', help="Target to open. Hash can be md5 or sha256. ID has to be from the last search.")
try:
args = parser.parse_args(args)
except:
return
target = " ".join(args.value)
if not args.last and target is None:
parser.print_usage()
return
# If it's a file path, open a session on it.
if args.file:
target = os.path.expanduser(target)
if not os.path.exists(target) or not os.path.isfile(target):
self.log('error', "File not found: {0}".format(target))
return
__sessions__.new(target)
# If it's a URL, download it and open a session on the temporary file.
elif args.url:
data = download(url=target, tor=args.tor)
if data:
tmp = tempfile.NamedTemporaryFile(delete=False)
tmp.write(data)
tmp.close()
__sessions__.new(tmp.name)
# Try to open the specified file from the list of results from
# the last find command.
elif args.last:
if __sessions__.find:
count = 1
for item in __sessions__.find:
if count == int(target):
__sessions__.new(get_sample_path(item.sha256))
break
count += 1
else:
self.log('warning', "You haven't performed a find yet")
# Otherwise we assume it's an hash of an previously stored sample.
else:
target = target.strip().lower()
if len(target) == 32:
key = 'md5'
elif len(target) == 64:
key = 'sha256'
else:
parser.print_usage()
return
rows = self.db.find(key=key, value=target)
if not rows:
self.log('warning', "No file found with the given hash {0}".format(target))
return
path = get_sample_path(rows[0].sha256)
if path:
__sessions__.new(path)
##
# CLOSE
#
# This command resets the open session.
# After that, all handles to the opened file should be closed and the
# shell should be restored to the default prompt.
def cmd_close(self, *args):
__sessions__.close()
##
# INFO
#
# This command returns information on the open session. It returns details
# on the file (e.g. hashes) and other information that might available from
# the database.
def cmd_info(self, *args):
if __sessions__.is_set():
self.log('table', dict(
header=['Key', 'Value'],
rows=[
['Name', __sessions__.current.file.name],
['Tags', __sessions__.current.file.tags],
['Path', __sessions__.current.file.path],
['Size', __sessions__.current.file.size],
['Type', __sessions__.current.file.type],
['Mime', __sessions__.current.file.mime],
['MD5', __sessions__.current.file.md5],
['SHA1', __sessions__.current.file.sha1],
['SHA256', __sessions__.current.file.sha256],
['SHA512', __sessions__.current.file.sha512],
['SSdeep', __sessions__.current.file.ssdeep],
['CRC32', __sessions__.current.file.crc32]
]
))
##
# NOTES
#
# This command allows you to view, add, modify and delete notes associated
# with the currently opened file.
def cmd_notes(self, *args):
parser = argparse.ArgumentParser(prog="notes", description="Show information on the opened file")
group = parser.add_mutually_exclusive_group()
group.add_argument('-l', '--list', action="store_true", help="List all notes available for the current file")
group.add_argument('-a', '--add', action="store_true", help="Add a new note to the current file")
group.add_argument('-v', '--view', metavar='note_id', type=int, help="View the specified note")
group.add_argument('-e', '--edit', metavar='note_id', type=int, help="Edit an existing note")
group.add_argument('-d', '--delete', metavar='note_id', type=int, help="Delete an existing note")
try:
args = parser.parse_args(args)
except:
return
if not __sessions__.is_set():
self.log('error', "No session opened")
return
if args.list:
# Retrieve all notes for the currently opened file.
malware = Database().find(key='sha256', value=__sessions__.current.file.sha256)
if not malware:
self.log('error', "The opened file doesn't appear to be in the database, have you stored it yet?")
return
notes = malware[0].note
if not notes:
self.log('info', "No notes available for this file yet")
return
# Populate table rows.
rows = [[note.id, note.title] for note in notes]
# Display list of existing notes.
self.log('table', dict(header=['ID', 'Title'], rows=rows))
elif args.add:
title = raw_input("Enter a title for the new note: ")
# Create a new temporary file.
tmp = tempfile.NamedTemporaryFile(delete=False)
# Open the temporary file with the default editor, or with nano.
os.system('"${EDITOR:-nano}" ' + tmp.name)
# Once the user is done editing, we need to read the content and
# store it in the database.
body = tmp.read()
Database().add_note(__sessions__.current.file.sha256, title, body)
# Finally, remove the temporary file.
os.remove(tmp.name)
self.log('info', "New note with title \"{0}\" added to the current file".format(bold(title)))
elif args.view:
# Retrieve note wth the specified ID and print it.
note = Database().get_note(args.view)
if note:
self.log('info', bold('Title: ') + note.title)
self.log('info', bold('Body:') + '\n' + note.body)
else:
self.log('info', "There is no note with ID {0}".format(args.view))
elif args.edit:
# Retrieve note with the specified ID.
note = Database().get_note(args.edit)
if note:
# Create a new temporary file.
tmp = tempfile.NamedTemporaryFile(delete=False)
# Write the old body to the temporary file.
tmp.write(note.body)
tmp.close()
# Open the old body with the text editor.
os.system('"${EDITOR:-nano}" ' + tmp.name)
# Read the new body from the temporary file.
body = open(tmp.name, 'r').read()
# Update the note entry with the new body.
Database().edit_note(args.edit, body)
# Remove the temporary file.
os.remove(tmp.name)
self.log('info', "Updated note with ID {0}".format(args.edit))
elif args.delete:
# Delete the note with the specified ID.
Database().delete_note(args.delete)
else:
parser.print_usage()
##
# STORE
#
# This command stores the opened file in the local repository and tries
# to store details in the database.
def cmd_store(self, *args):
parser = argparse.ArgumentParser(prog="store", description="Store the opened file to the local repository")
parser.add_argument('-d', '--delete', action="store_true", help="Delete the original file")
parser.add_argument('-f', '--folder', type=str, nargs='+', help="Specify a folder to import")
parser.add_argument('-s', '--file-size', type=int, help="Specify a maximum file size")
parser.add_argument('-y', '--file-type', type=str, help="Specify a file type pattern")
parser.add_argument('-n', '--file-name', type=str, help="Specify a file name pattern")
parser.add_argument('-t', '--tags', type=str, nargs='+', help="Specify a list of comma-separated tags")
try:
args = parser.parse_args(args)
except:
return
if args.folder is not None:
# Allows to have spaces in the path.
args.folder = " ".join(args.folder)
if args.tags is not None:
# Remove the spaces in the list of tags
args.tags = "".join(args.tags)
def add_file(obj, tags=None):
if get_sample_path(obj.sha256):
self.log('warning', "Skip, file \"{0}\" appears to be already stored".format(obj.name))
return False
# Try to store file object into database.
status = self.db.add(obj=obj, tags=tags)
if status:
# If succeeds, store also in the local repository.
# If something fails in the database (for example unicode strings)
# we don't want to have the binary lying in the repository with no
# associated database record.
new_path = store_sample(obj)
self.log("success", "Stored file \"{0}\" to {1}".format(obj.name, new_path))
else:
return False
# Delete the file if requested to do so.
if args.delete:
try:
os.unlink(obj.path)
except Exception as e:
self.log('warning', "Failed deleting file: {0}".format(e))
return True
# If the user specified the --folder flag, we walk recursively and try
# to add all contained files to the local repository.
# This is note going to open a new session.
# TODO: perhaps disable or make recursion optional?
if args.folder is not None:
# Check if the specified folder is valid.
if os.path.isdir(args.folder):
# Walk through the folder and subfolders.
for dir_name, dir_names, file_names in os.walk(args.folder):
# Add each collected file.
for file_name in file_names:
file_path = os.path.join(dir_name, file_name)
if not os.path.exists(file_path):
continue
# Check if file is not zero.
if not os.path.getsize(file_path) > 0:
continue
# Check if the file name matches the provided pattern.
if args.file_name:
if not fnmatch.fnmatch(file_name, args.file_name):
# self.log('warning', "Skip, file \"{0}\" doesn't match the file name pattern".format(file_path))
continue
# Check if the file type matches the provided pattern.
if args.file_type:
if args.file_type not in File(file_path).type:
# self.log('warning', "Skip, file \"{0}\" doesn't match the file type".format(file_path))
continue
# Check if file exceeds maximum size limit.
if args.file_size:
# Obtain file size.
if os.path.getsize(file_path) > args.file_size:
self.log('warning', "Skip, file \"{0}\" is too big".format(file_path))
continue
file_obj = File(file_path)
# Add file.
add_file(file_obj, args.tags)
else:
self.log('error', "You specified an invalid folder: {0}".format(args.folder))
# Otherwise we try to store the currently opened file, if there is any.
else:
if __sessions__.is_set():
if __sessions__.current.file.size == 0:
self.log('warning', "Skip, file \"{0}\" appears to be empty".format(__sessions__.current.file.name))
return False
# Add file.
if add_file(__sessions__.current.file, args.tags):
# Open session to the new file.
self.cmd_open(*[__sessions__.current.file.sha256])
else:
self.log('error', "No session opened")
##
# DELETE
#
# This commands deletes the currenlty opened file (only if it's stored in
# the local repository) and removes the details from the database
def cmd_delete(self, *args):
if __sessions__.is_set():
while True:
choice = raw_input("Are you sure you want to delete this binary? Can't be reverted! [y/n] ")
if choice == 'y':
break
elif choice == 'n':
return
rows = self.db.find('sha256', __sessions__.current.file.sha256)
if rows:
malware_id = rows[0].id
if self.db.delete_file(malware_id):
self.log("success", "File deleted")
else:
self.log('error', "Unable to delete file")
os.remove(__sessions__.current.file.path)
__sessions__.close()
else:
self.log('error', "No session opened")
##
# FIND
#
# This command is used to search for files in the database.
def cmd_find(self, *args):
parser = argparse.ArgumentParser(prog="find", description="Find a file")
group = parser.add_mutually_exclusive_group()
group.add_argument('-t', '--tags', action="store_true", help="List available tags and quit")
group.add_argument('type', nargs='?', choices=["all", "latest", "name", "type", "mime", "md5", "sha256", "tag", "note"], help="Where to search.")
parser.add_argument("value", nargs='?', help="String to search.")
try:
args = parser.parse_args(args)
except:
return
# One of the most useful search terms is by tag. With the --tags
# argument we first retrieve a list of existing tags and the count
# of files associated with each of them.
if args.tags:
# Retrieve list of tags.
tags = self.db.list_tags()
if tags:
rows = []
# For each tag, retrieve the count of files associated with it.
for tag in tags:
count = len(self.db.find('tag', tag.tag))
rows.append([tag.tag, count])
# Generate the table with the results.
header = ['Tag', '# Entries']
rows.sort(key=lambda x: x[1], reverse=True)
self.log('table', dict(header=header, rows=rows))
else:
self.log('warning', "No tags available")
return
# At this point, if there are no search terms specified, return.
if args.type is None:
parser.print_usage()
return
key = args.type
if key != 'all' and key != 'latest':
try:
# The second argument is the search value.
value = args.value
except IndexError:
self.log('error', "You need to include a search term.")
return
else:
value = None
# Search all the files matching the given parameters.
items = self.db.find(key, value)
if not items:
return
# Populate the list of search results.
rows = []
count = 1
for item in items:
tag = ', '.join([t.tag for t in item.tag if t.tag])
row = [count, item.name, item.mime, item.md5, tag]
if key == 'latest':
row.append(item.created_at)
rows.append(row)
count += 1
# Update find results in current session.
__sessions__.find = items
# Generate a table with the results.
header = ['#', 'Name', 'Mime', 'MD5', 'Tags']
if key == 'latest':
header.append('Created At')
self.log("table", dict(header=header, rows=rows))
##
# TAGS
#
# This command is used to modify the tags of the opened file.
def cmd_tags(self, *args):
parser = argparse.ArgumentParser(prog="tags", description="Modify tags of the opened file")
parser.add_argument('-a', '--add', help="Add tags to the opened file (comma separated)")
parser.add_argument('-d', '--delete', help="Delete a tag from the opened file")
try:
args = parser.parse_args(args)
except:
return
# This command requires a session to be opened.
if not __sessions__.is_set():
self.log('error', "No session opened")
parser.print_usage()
return
# If no arguments are specified, there's not much to do.
# However, it could make sense to also retrieve a list of existing
# tags from this command, and not just from the "find" command alone.
if args.add is None and args.delete is None:
parser.print_usage()
return
# TODO: handle situation where addition or deletion of a tag fail.
if args.add:
# Add specified tags to the database's entry belonging to
# the opened file.
db = Database()
db.add_tags(__sessions__.current.file.sha256, args.add)
self.log('info', "Tags added to the currently opened file")
# We refresh the opened session to update the attributes.
# Namely, the list of tags returned by the 'info' command
# needs to be re-generated, or it wouldn't show the new tags
# until the existing session is closed a new one is opened.
self.log('info', "Refreshing session to update attributes...")
__sessions__.new(__sessions__.current.file.path)
if args.delete:
# Delete the tag from the database.
Database().delete_tag(args.delete)
# Refresh the session so that the attributes of the file are
# updated.
self.log('info', "Refreshing session to update attributes...")
__sessions__.new(__sessions__.current.file.path)
###
# SESSION
#
# This command is used to list and switch across all the opened sessions.
def cmd_sessions(self, *args):
parser = argparse.ArgumentParser(prog="sessions", description="Open a file", epilog="List or switch sessions")
group = parser.add_mutually_exclusive_group()
group.add_argument('-l', '--list', action="store_true", help="List all existing sessions")
group.add_argument('-s', '--switch', type=int, help="Switch to the specified session")
try:
args = parser.parse_args(args)
except:
return
if args.list:
if not __sessions__.sessions:
self.log('info', "There are no opened sessions")
return
rows = []
for session in __sessions__.sessions:
current = ''
if session == __sessions__.current:
current = 'Yes'
rows.append([
session.id,
session.file.name,
session.file.md5,
session.created_at,
current
])
self.log('info', "Opened Sessions:")
self.log("table", dict(header=['#', 'Name', 'MD5', 'Created At', 'Current'], rows=rows))
elif args.switch:
for session in __sessions__.sessions:
if args.switch == session.id:
__sessions__.switch(session)
return
self.log('warning', "The specified session ID doesn't seem to exist")
else:
parser.print_usage()
##
# PROJECTS
#
# This command retrieves a list of all projects.
# You can also switch to a different project.
def cmd_projects(self, *args):
parser = argparse.ArgumentParser(prog="projects", description="Open a file", epilog="List or switch existing projects")
group = parser.add_mutually_exclusive_group()
group.add_argument('-l', '--list', action="store_true", help="List all existing projects")
group.add_argument('-s', '--switch', metavar='project_name', help="Switch to the specified project")
try:
args = parser.parse_args(args)
except:
return
projects_path = os.path.join(os.getcwd(), 'projects')
if not os.path.exists(projects_path):
self.log('info', "The projects directory does not exist yet")
return
if args.list:
self.log('info', "Projects Available:")
rows = []
for project in os.listdir(projects_path):
project_path = os.path.join(projects_path, project)
if os.path.isdir(project_path):
current = ''
if __project__.name and project == __project__.name:
current = 'Yes'
rows.append([project, time.ctime(os.path.getctime(project_path)), current])
self.log('table', dict(header=['Project Name', 'Creation Time', 'Current'], rows=rows))
elif args.switch:
if __sessions__.is_set():
__sessions__.close()
self.log('info', "Closed opened session")
__project__.open(args.switch)
self.log('info', "Switched to project {0}".format(bold(args.switch)))
# Need to re-initialize the Database to open the new SQLite file.
self.db = Database()
else:
self.log('info', parser.print_usage())
##
# EXPORT
#
# This command will export the current session to file or zip.
def cmd_export(self, *args):
parser = argparse.ArgumentParser(prog="export", description="Export the current session to file or zip")
parser.add_argument('-z', '--zip', action="store_true", help="Export session in a zip archive")
parser.add_argument('value', help="path or archive name")
try:
args = parser.parse_args(args)
except:
return
# This command requires a session to be opened.
if not __sessions__.is_set():
self.log('error', "No session opened")
parser.print_usage()
return
# Check for valid export path.
if args.value is None:
parser.print_usage()
return
# TODO: having for one a folder and for the other a full
# target path can be confusing. We should perhaps standardize this.
# Abort if the specified path already exists.
if os.path.isfile(args.value):
self.log('error', "File at path \"{0}\" already exists, abort".format(args.value))
return
# If the argument chosed so, archive the file when exporting it.
# TODO: perhaps add an option to use a password for the archive
# and default it to "infected".
if args.zip:
try:
with ZipFile(args.value, 'w') as export_zip:
export_zip.write(__sessions__.current.file.path, arcname=__sessions__.current.file.name)
except IOError as e:
self.log('error', "Unable to export file: {0}".format(e))
else:
self.log('info', "File archived and exported to {0}".format(args.value))
# Otherwise just dump it to the given directory.
else:
# XXX: Export file with the original file name.
store_path = os.path.join(args.value, __sessions__.current.file.name)
try:
shutil.copyfile(__sessions__.current.file.path, store_path)
except IOError as e:
self.log('error', "Unable to export file: {0}".format(e))
else:
self.log('info', "File exported to {0}".format(store_path))